Anatomy of the Human Knee - Infographic The knee is one of the largest and most important joints in the human body as it connects the upper (femur) and lower (tibia) leg. The muscles that move the knee are connected by tendons to the knee bones. In addition to these bones, the joint is comprised of ligaments, which connect the knee bones and provide stability, as well as menisci and cartilage which function as shock absorbers and allow the joint to move with less friction. The main ligaments connecting the bones and providing stabilty to the knee are: The Anterior...